Home / 259,517,445,798.66-389,388,036,108.12-140,111,062,332.36

Finding the Fourth Proportional to 259,517,445,798.66, 389,388,036,108.12 and 140,111,062,332.36

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Solution

The fourth proportional to 259,517,445,798.66, 389,388,036,108.12 and 140,111,062,332.36 is: 210,226,989,675.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,517,445,798.66 : 389,388,036,108.12 = 140,111,062,332.36 : x
  2. Step 2: Convert to fraction form
    259,517,445,798.66/389,388,036,108.12 = 140,111,062,332.36/x
  3. Step 3: Cross multiply
    259,517,445,798.66x = 389,388,036,108.12 × 140,111,062,332.36
  4. Step 4: Simplify right side
    259,517,445,798.66x = 54,557,571,398,620,040,658,944
  5. Step 5: Solve for x
    x = 54,557,571,398,620,040,658,944/259,517,445,798.66
  6. Step 6: Final answer
    x = 210,226,989,675.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.